diff --git a/testing/web-platform/tests/resources/chromium/webxr-test.js b/testing/web-platform/tests/resources/chromium/webxr-test.js
index ee1f2b05d326..ae51b70ed64b 100644
--- a/testing/web-platform/tests/resources/chromium/webxr-test.js
+++ b/testing/web-platform/tests/resources/chromium/webxr-test.js
@@ -1962,6 +1962,19 @@ close
 )
 ;
 }
+closeDataProvider
+(
+)
+{
+this
+.
+dataProviderBinding_
+.
+close
+(
+)
+;
+}
 updateSessionGeometry
 (
 frame_size
@@ -2130,8 +2143,9 @@ makeRequest
 dataProviderPtr
 )
 ;
-let
-dataProviderBinding
+this
+.
+dataProviderBinding_
 =
 new
 mojo